Leigh Day

Daniel Leader

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Practice Areas

Daniel Leader is a Barrister and Partner at Leigh Day’ international law department. He specialises in international human rights and environmental law.

Extensive experience of cases against parent companies, complex group actions and mass tort claims, as well as cross-border disputes and jurisdictional issues. Recent cases include Lungowe v Vedanta plc [2019] UKSC 20 and Okpabi v Royal Dutch Shell plc [2018] EWCA Civ 191, which concern jurisdiction in cross-border parent company liability cases. Other recent parent company liability cases include AAA v. Gemfields Ltd [2018], AAA v. Unilever plc [2018].

Other cases include Bodo Community v. Shell Petroleum Development Company Ltd [2015], the “The Mau Mau Litigation” [2013], Baha Mousa Inquiry [2011] and Binyan Mohamed v FCO [2011].


BA, Oxford University (First class), LLM in International Law, UCL (Distinction).

Expert on business and human rights and member of the UK Government Steering Board on the implementation of the OECD Guidelines for Multinational Enterprises (2014-17).

Extensive professional experience in Africa and has lived and worked with lawyers in Kenya and Congo (DRC). In 2001 he was awarded the Bar Council’s Pro Bono Award for his work in Africa.

Professional Memberships

The Bar Human Rights Committee, ALBA, International Bar Association, Liberty